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Finding the Fourth Proportional to 4,282,978.05, 6,411,844.85 and 3,751,537.05

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Solution

The fourth proportional to 4,282,978.05, 6,411,844.85 and 3,751,537.05 is: 5,616,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282,978.05 : 6,411,844.85 = 3,751,537.05 : x
  2. Step 2: Convert to fraction form
    4,282,978.05/6,411,844.85 = 3,751,537.05/x
  3. Step 3: Cross multiply
    4,282,978.05x = 6,411,844.85 × 3,751,537.05
  4. Step 4: Simplify right side
    4,282,978.05x = 24,054,273,494,869.00
  5. Step 5: Solve for x
    x = 24,054,273,494,869.00/4,282,978.05
  6. Step 6: Final answer
    x = 5,616,249.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.